Airlines with flights from Dulles to Austin
There are five airlines with scheduled flights between IAD and AUS. Both United and Allegiant operates non-stop flights from Washington Dulles Airport to Austin-Bergstrom International Airport and the flight time is 3 hours and 31 minutes.
Choose airline
Schedules
Non-stop with United Airlines
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Total flight time: 3 hours and 31 minutes
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Dulles is a United Airlines hub (Secondary hub).
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21 flights per week
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Boeing 737-700 PassengerBoeing 737MAX 9 PassengerBoeing 737-800 PassengerEmbraer 175 (Enhanced Winglets)
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First class available
Flight
The timetable & schedule information was updated at 2026-04-22
Non-stop with Allegiant Air
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Total flight time: 3 hours and 15 minutes
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Low-cost airline
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Austin is a Allegiant Air focus city (Operating base).
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2 flights per week
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Airbus A320
Flight
The timetable & schedule information was updated at 2026-04-22
Via Charlotte with American Airlines
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Total flight time: 4h 56m - 7h 40m.
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One World Alliance
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189 flights per week
Flight
AA1419
The timetable & schedule information was updated at 2026-04-22
Via Dallas with American Airlines
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Total flight time: 4h 57m - 7h 25m.
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One World Alliance
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122 flights per week
Flight
AA1413
AA3400
AA1588
The timetable & schedule information was updated at 2026-04-22
Via Atlanta with Delta Air Lines
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Total flight time: 4h 58m - 7h 29m.
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Sky Team Alliance
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186 flights per week
Flight
DL2886
DL2886
DL2011
DL2011
DL1397
DL1491
DL1170
DL1081
DL1335
The timetable & schedule information was updated at 2026-04-22
Via Houston with United Airlines
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Total flight time: 4h 59m - 7h 37m.
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Dulles is a United Airlines hub (Secondary hub).
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149 flights per week
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Boeing 737-700 PassengerBoeing 737MAX 9 PassengerBoeing 737-800 PassengerEmbraer 175 (Enhanced Winglets)
Flight
UA1823
UA1859
UA1711
UA2674
UA6125
UA1179
The timetable & schedule information was updated at 2026-04-22

There are five airlines with scheduled flights between IAD and AUS. Both United and Allegiant operates non-stop flights from Washington Dulles Airport to Austin-Bergstrom International Airport and the flight time is 3 hours and 31 minutes.
Via Atlanta with Frontier